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Table 2 Multiple regression analysis of TCP and BMD

From: Association of bone mineral density with trichlorophenol: a population-based study

BMD

Model 1 β (95% CI) P-value

Model 2 β (95% CI) P-value

Model 3 β (95% CI) P-value

Total femur

   

ln-2,4,5-TCP

-0.056 (-0.063, -0.050) < 0.01

-0.003 (-0.009, 0.002) 0.26

-0.003 (-0.009, 0.003) 0.27

ln-2,4,6-TCP

-0.049 (-0.056, -0.042) < 0.01

-0.004 (-0.010, 0.001) 0.14

-0.005 (-0.011, 0.001) 0.11

Femoral neck

   

ln-2,4,5-TCP

-0.053 (-0.059, -0.047) < 0.01

-0.001 (-0.007, 0.004) 0.70

-0.001 (-0.007, 0.004) 0.67

ln-2,4,6-TCP

-0.046 (-0.052, -0.039) < 0.01

-0.004 (-0.010, 0.001) 0.12

-0.005 (-0.010, 0.001) 0.08

Femoral tuberosity

   

ln-2,4,5-TCP

-0.041 (-0.046, -0.035) < 0.01

-0.003 (-0.008, 0.002) 0.29

-0.003 (-0.008, 0.003) 0.32

ln-2,4,6-TCP

-0.037 (-0.042, -0.031) < 0.01

-0.004 (-0.009, 0.002) 0.20

-0.004 (-0.009, 0.002) 0.17

Intertrochanteric femur

   

ln-2,4,5-TCP

-0.064 (-0.072, -0.057) < 0.01

-0.004 (-0.011, 0.003) 0.25

-0.004 (-0.011, 0.003) 0.26

ln-2,4,6-TCP

-0.056 (-0.064, -0.047) < 0.01

-0.004 (-0.011, 0.003) 0.23

-0.005 (-0.012, 0.002) 0.20

Lumbar spine

   

ln-2,4,5-TCP

-0.033 (-0.039, -0.027) < 0.01

-0.008 (-0.014, -0.001) 0.02

-0.007 (-0.013, -0.000) 0.04

ln-2,4,6-TCP

-0.029 (-0.036, -0.023) < 0.01

-0.006 (-0.013, 0.000) 0.06

-0.006 (-0.013, 0.000) 0.06

  1. Trichlorophenol: TCP; Bone mineral density: BMD; Model 1 did not adjust for any confounding factors. Model 2 was adjusted for sex, age, BMI and race. Model 3 also adjusts for sex, age, race, BMI, household income poverty ratio, education level, milk consumption, alcohol consumption, serum cotinine, serum lead, calcium concentration, phosphorus concentration, diabetes, moderate physical activity and vigorous physical activity